Leather tanning is the first step in the leather-making process, after the hide has been removed from the beam and removed from dirt, blood, salt, and hair and cleared To use a hide or skin for a leather product, it must be processed.

This process is called the process of tanning .

Tanning changes the chemical composition inside the leather fibers to make break down of them more difficult for enzymes of bacteria and fungi  and this makes the leather last longer.